rewrite GitHub Action using explicit reference to tox environment wit…

…h -extra suffix

.github/workflows/github-actions-tox.yml

@@ -12,15 +12,13 @@ jobs:
         python-version: ['3.9', '3.10', '3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install pytest numpy pandas
-        python -m pip install tox tox-gh-actions
-    - name: Test with tox
-      run: tox
+      - uses: actions/checkout@v4
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install tox and any other packages
+        run: pip install tox pytest numpy pandas
+      - name: Run tox
+        # Run tox using the version of Python in `PATH`
+        run: tox -e py${{ matrix.python}}-extra